JP2019028780A - Rack fixing apparatus and server rack - Google Patents

Abstract

To provide a rack fixing apparatus and a server rack which can stably locate a housing rack having a variety of width dimensions on a concrete slab through anchor bolts and can improve workability upon change of housing racks R.SOLUTION: An rack fixing apparatus according to the present invention is characterized in having a fixing rail 2 fixed on a floor slab F through an anchor bolt 1 and a rack fixing metal fitting 3 fitted so as to be movable in a longitudinal direction (a direction indicated by an arrow x) of the fixing rail 2 and in that the rack fixing metal fitting 3 has a flat plate part 4 extending in a direction (a direction indicated by an arrow y) crossing the fixing rail 2 and a linkage part 5 linked with the housing rack R in which a server S is housed is provided on the flat plate part 4.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a rack fixing device used for earthquake-proof fixing and a server rack fixed by the rack fixing device.

  In the information-oriented society in recent years, the importance of computer centers that process large amounts of data at high speed and efficiently is increasing day by day. The computer center is required to have a high level of safety and efficiency in order to centrally accommodate ICT (Information and Communications Technology) equipment of public offices and companies that are distributed at each base.

  In a general computer center, a free access floor on which cables and air conditioning air paths can be installed is installed in a lower space, and a server rack that accommodates a plurality of servers is installed on the free access floor.

For example, Patent Document 1 discloses a technology in which a double floor is configured and a free access floor on which electronic devices are installed is provided, and a support device is provided on the free access floor.
And in this support apparatus of patent document 1, the pedestal part which has a mounting groove in the beam member provided in the upper floor of the double floor, and it is slidably provided in the mounting groove of this pedestal part, The rack of the said apparatus And a fixing portion having a screw hole for fixing the device by tightening a bolt through the screw.

JP 2017-14783 A

In Patent Document 1, an electronic device is installed on a free access floor serving as a double floor, but with the advancement of the air conditioning system, air conditioning is possible without a free access floor.
However, in the device support device disclosed in Patent Document 1, a rack that accommodates an electronic device is attached to a beam member provided on an upper floor of a double floor with a pedestal portion and a fixed portion interposed therebetween. When fixing directly to the slab with anchor bolts, there is a problem that the rack cannot be fixed due to interference with the reinforcing bar or interference with the old anchor.
Further, in Patent Document 1, since a rack that stores electronic devices is installed on a free access floor that is a double floor, a step is formed between the free access floor and a server rack installation surface. This level difference makes it difficult to replace a rack having a weight already mounted on an electronic device, resulting in a problem of poor workability at the time of replacement.

  The present invention has been made in view of the above-described circumstances, and storage racks having various width dimensions can be stably placed on a concrete slab via anchor bolts. Provided are a rack fixing device and a server rack capable of improving workability at the time of replacement.

In order to solve the above problems, the present invention proposes the following means.
That is, the rack fixing device of the present invention includes a fixed rail fixed to a floor slab by an anchor bolt, and a rack fixing bracket that is movably attached in the length direction of the fixed rail, and the rack fixing bracket is The flat plate portion extends in a direction intersecting with the fixed rail, and the flat plate portion is provided with a connecting portion connected to a storage rack in which the server is stored.

  In the present invention, storage racks having various width dimensions can be stably placed on the floor slab via fixed rails supported by anchor bolts, and workability when replacing the storage racks is improved. Is also possible.

It is a perspective view which shows the principal part of the rack fixing device which concerns on this invention. 1 is an exploded perspective view of a rack fixing device according to a first embodiment of the present invention. (A) is a perspective view which shows the state by which the storage rack was fixed on the fixed rail by the rack fixing apparatus of FIG. 2, (B) is a perspective view at the time of using a Y-shaped metal fitting for a rack fixing metal fitting. It is sectional drawing which shows the connection state of the fixed rail of FIG. 3, and a slide part, Comprising: (A) is the example which arrange | positioned in the state exposed on the floor slab by the post-installed anchor bolt, and was provided so that removal was possible. , (B), the fixed rail is arranged via the reinforcing bar in the floor slab and the anchor bolt connected to the reinforcing bar before placing the concrete, and the upper surface of the fixed rail is the same as the floor slab finish surface. It is an example installed in. It is a side view which shows the state by which the several storage rack is arrange | positioned on the fixed rail. It is a top view which shows the state by which the server rack with which the some storage rack was adjacent was arrange | positioned in multiple rows. It is the front view which looked at the storage rack which concerns on 2nd Embodiment of this invention from the length direction of a fixed rail, Comprising: (A) is a general view, (B) is sectional drawing to which the principal part of the rack fixing device was expanded. is there.

A rack fixing device 100 according to the present invention will be described with reference to FIG.
The rack fixing device 100 includes a fixed rail 2 fixed to a reinforcing bar 10 in a floor slab F via an anchor bolt 1, and a rack attached to be movable in the length direction (arrow x direction) of the fixed rail 2. A fixing bracket 3.
The rack fixture 3 includes a flat plate portion 4 extending in the horizontal direction (arrow y direction) intersecting with the fixed rail 2. The flat plate portion 4 is provided with a connecting portion 5 connected to a storage rack R in which a server S serving as an ICT device is stored.

In the rack fixing device 100 configured as described above, the fixed rail 2 fixed on the floor slab F by the anchor bolt 1 moves along the length direction (arrow x direction) of the fixed rail 2. The rack fixing bracket 3 is attached as possible.
Further, in the rack fixing device 100, the server is connected to the rack fixing bracket 3 via the flat plate portion 4 extending in the direction intersecting the fixed rail 2 (arrow y direction) and the connecting portion 5 on the flat plate portion 4. The storage rack R in which S is accommodated is fixed.

As a result, in the rack fixing device 100 of the present invention, the storage for servers having various width dimensions is fixed to the fixed rail 2 fixed to the reinforcing bar 10 in the floor slab F by the anchor bolt 1 via the rack fixing bracket 3. A plurality of racks R can be fixed.
At this time, each storage rack R is provided so as to be movable in the length direction (direction of arrow x) of the fixed rail 2 fixed by the anchor bolt 1 via the rack fixing bracket 3. There is no need to connect the anchor bolt 1 every time. For this reason, the new anchor bolt 1 can be post-installed in an arbitrary position where the reinforcing bar 10 in the floor slab F does not interfere while preventing interference with the old anchor bolt.
Thereby, in this invention, while being able to arrange | position the storage rack R which has various width dimensions on the floor slab F stably via the fixed rail 2 supported by the anchor bolt 1, the storage rack R is replaced. It is also possible to improve workability at the time.

(First embodiment)
A rack fixing device 101 according to a first embodiment of the present invention will be described with reference to FIGS.

As shown in FIGS. 2 and 3A, the rack fixing device 101 includes a fixed rail 12 fixed to a reinforcing bar 10 (see FIG. 2) in a floor slab F by an anchor bolt 11, and the fixed rail 12 Rack fixing bracket 13 movably attached in the length direction (arrow x direction).
The fixed rail 12 has a rail member 12A that is formed in a C shape in a sectional view and has an opening on the upper side, and a plate-like member 12B that is fixed to the rail member 12A by welding and being fixed by an anchor bolt 11. The rail member 12A and the plate member 12B are integrated by welding.

As anchor bolts 11/11 'for holding the fixed rail 12, the post-installed anchor bolts that are installed on the floor slab F by screwing into the sleeve 11A driven in a hole formed in a direction perpendicular to the floor slab F In addition, when the floor slab F is constructed, an embedded anchor bolt that is buried in the floor slab F by using concrete after being connected to the reinforcing bar 10 is used.
In the latter embedded construction anchor bolt, the uppermost part after being embedded in the floor slab F is installed so as to be at the same height as the floor slab finish surface.

For example, FIG. 4 (A) shows an example in which the fixed rail 12 is disposed on the floor slab F with the post-installed anchor bolts 11 and can be appropriately removed.
In FIG. 4B, the fixed rail 12 is arranged via the reinforcing bar 10 in the floor slab F and the embedded construction anchor bolt 11 ′ connected to the reinforcing bar 10 before placing the concrete. The example which installed so that the upper surface of may become the same as a floor slab finish surface is shown.
Further, FIG. 4B shows an example in which the rack fixing bracket 13 fixed by the embedded construction anchor bolt 11 ′ is connected to the storage rack R with the casters 50 through the fastening means 21 (described later). Has been.

  As shown in FIG. 2, two fixed rails 12 are installed so as to be parallel and spaced in the horizontal direction (arrow y direction) intersecting the length direction (arrow x direction) of the fixed rail 12. A plurality of storage racks R are arranged adjacent to the pair (two) of fixed rails 12 in the length direction (arrow x direction) (see FIGS. 3A, 5 and 6). .

In the following description, a server rack 200 is expressed as a plurality of storage racks R adjacent to a pair of front and rear fixed rails 12.
Further, as shown in FIG. 6, the server rack 200 is provided in a plurality of rows at intervals in the horizontal direction (arrow y direction) intersecting the length direction (arrow x direction) of the fixed rail 12. .

Four rack fixing brackets 13 are installed for one storage rack R, and two rack fixing brackets 13 are installed on the fixing rails 12 on each side.
Each rack fixing bracket 13 has a flat plate portion 14 extending in the horizontal direction (arrow y direction) intersecting with the fixing rail 12.
The flat plate portion 14 includes a slide portion 16 in which a slide member 15 (see FIGS. 2 and 4) that moves in the rail member 12A of the fixed rail 12 is fastened and supported by a fastener 16A, and a storage in which a plurality of servers S are accommodated. It has the connection part 17 connected with the rack R, and the level | step-difference part 18 which connects between these slide parts 16 and the connection parts 17 diagonally. With such a configuration, the flat plate portion 14 of the rack fixture 13 is formed in a Z shape as a whole.
4B shows an example in which the rack fixing bracket 13 is connected to the storage rack R with the casters 50 via the fastening means 21 (described later). However, the storage rack without the casters 50 is shown. In the case of R, the overall shape of the rack fixing bracket 13 is a flat rack fixing bracket 13 having no stepped portion.

Further, the connecting portion 17 in the flat plate portion 14 of the rack fixture 13 forms a horizontal extension 20 extending in the horizontal direction (arrow y direction) intersecting with the fixed rail 12, and penetrates through the horizontal extension 20. Fastening means 21 for fastening the storage rack R is installed in a hole (not shown).
As shown in detail in FIG. 2, the fastening means 21 includes a fastening plate 22A, a fastening nut 22B, and an insulating bushing 22C, a presser plate 23 held by the fastening bolt 22A, the fastening nut 22B, and the insulating bushing 22C. It has the board | plate material 25 which receives the load of the storage rack R via the fastening bolt 22A on the board | plate 24 and slab.
The holding plate 23 is located between the fastening nut 22 </ b> B and the storage rack R, and is provided to transmit the fastening force by the fastening nut 22 </ b> B to the flat plate portion 14 of the storage rack R and the rack fixing bracket 13. . The insulating plate 24 is provided in order to block electrical continuity between the server S and the fixed rail 12 in the storage rack R. By adjusting the screwing length of the fastening bolt 22A to the plate member 25 and changing the thickness of the plate member 25 itself (or using them in combination), the amount of downward projection of the fastening bolt 22A is adjusted. It functions as a leveler that adjusts the horizontal level.

  The rack fixing bracket 13 as described above can be provided in various sizes by appropriately changing the length of the flat plate portion 14 (replacing the bracket) according to the size of the storage rack R to which the server S is fixed. The storage rack R can be disposed adjacent to the fixed rail 12 regardless of the size.

  And in the rack fixing apparatus 101 of 1st Embodiment comprised as mentioned above, the length direction (arrow x direction) of this fixed rail 12 is fixed to the fixed rail 12 fixed on the floor slab F with the anchor bolt 11. FIG. The rack fixing bracket 13 is attached so as to be movable along the direction. Furthermore, in the rack fixing device 101, the server S is connected to the rack fixing bracket 13 via the flat plate portion 14 extending in the direction intersecting the fixed rail 12 (arrow y direction) and the connecting portion 17 on the flat plate portion 14. The storage rack R in which is stored is fixed.

Thereby, in the rack fixing apparatus 101 of 1st Embodiment, it is for the server which has various width dimensions via the rack fixing bracket 13 to the fixed rail 12 fixed to the reinforcing bar 10 in the floor slab F by the anchor bolt 11. A plurality of storage racks R can be fixed.
At this time, each storage rack R is provided so as to be movable in the length direction (direction of arrow x) of the fixed rail 12 fixed by the anchor bolt 11 via the rack fixing bracket 13. There is no need to connect the anchor bolt 11 every time.
Thereby, in 1st Embodiment, while being able to arrange | position the storage rack R which has various width dimensions in the stable state on the floor slab F via the fixed rail 12 supported by the anchor bolt 11, the storage rack R is attached. It also becomes possible to improve workability at the time of replacement.

  Further, in the rack fixing device 101 of the first embodiment, the rack fixing bracket 13 having the flat plate portion 14 having the optimum length is selected and replaced according to the size of the storage rack R in which the server S is stored. Thus, the storage rack R can be accommodated in various sizes, and the storage rack R can be disposed adjacent to the fixed rail 12 regardless of the size.

In the rack fixing device 101 of the first embodiment, the fastening bolt 21A of the fastening means 21 is passed through a through hole (not shown) formed in the flat plate portion 14 of the rack fixing bracket 13 so that the flat plate portion 14 is. However, the present invention is not limited to this, and may be fastened to a notch formed at the edge of the flat plate portion 14 as indicated by reference numeral 14A in FIG.
More specifically, as shown in FIG. 3B, the flat plate portion 14 of the rack fixing bracket 13 has a Y-shape (the tip is opened in a bifurcated shape and sandwiches the fastening bolt 22A of the fastening means 21). A concave portion 14A '(that is, a shape capable of receiving the fastening bolt 22A from a direction intersecting with the base plate) (that is, using a Y-shaped rack fixing bracket), and fastening means 21 serving as a leveler is provided in the concave portion 14A'. It may be concluded.
Such a Y-shaped rack fixing bracket is optimal for holding a storage rack R with casters 50 as shown in FIG.
And the attachment workability | operativity of the storage rack R improves by fastening the fastening bolt 22A of the fastening means 21 to the notch 14A (concave part 14A ') formed in the edge part of such a flat plate part 14. FIG.

Moreover, in the said embodiment, although the rack fixing bracket 13 is installed for every fixed rail 12 of each side, it is not limited to this, The both-ends rack fixing bracket 13 is connected so that the front and rear fixed rail 12 may be connected. In use, the storage rack R may be coupled to the two fixed rails 12 through one rack fitting 13.
The fixed rail 12 is provided before and after the rack R depending on the weight of the rack R or the strength required to support the rack R according to the expected acceleration of an earthquake or the like. It may be fixed.

(Second Embodiment)
A rack fixing device 102 according to a second embodiment of the present invention will be described with reference to FIG. The rack fixing device 102 according to the second embodiment differs in configuration from the rack fixing device 101 according to the first embodiment in the shape of a rack fixing bracket for fixing the storage rack R to the fixed rail 12. .

That is, in the first embodiment, as shown in FIG. 2, the connecting portion 17 formed on the flat plate portion 14 of the rack fixing bracket 13 extends horizontally in the horizontal direction (arrow y direction) intersecting the fixed rail 12. Part 20 is formed.
On the other hand, in 2nd Embodiment, as FIG. 7 shows, the connection part 32 formed in the flat plate part 31 of the rack fixture 30 is bent, and the direction (arrow z) is orthogonal to the floor slab F. A vertical extension 33 extending in the direction) is formed. Thereby, the shape of the flat plate part 31 of the rack fixture 30 is formed in an L shape as a whole.
The side surface of the gantry 40 of the storage rack R is brought into contact with the vertical extension portion 33 and is fastened to the side surface portion of the gantry 40 via the fastening means 34.
That is, the rack fixture 30 of the second embodiment includes a fixed rail 12 fixed to the floor slab F by the anchor bolt 11 via the flat plate portion 31, and a side surface portion of the gantry 40 on which the storage rack R is placed. Connect to each other.

Here, the gantry 40 to which the flat plate portion 31 of the rack fixing bracket 30 is connected is installed for mounting and fixing the storage rack R. However, depending on the situation, the gantry 40 is abolished and the rack fixing bracket 30 is removed. The vertical extension 33 formed on the flat plate portion 31 may be directly connected to the side surface of the storage rack R.
Further, as shown in FIG. 7, the storage rack R after being placed on the upper surface of the gantry 40 moves to the lower surface of the storage rack R arranged on the gantry 40 together with the casters 41 for facilitating the movement. A fixing means 42 such as a bolt for preventing this is provided.
Further, since the gantry 40 is formed in a hollow shape, as shown by arrows C1 and C2, if the gantry 40 is used in a storage rack R configured to suck in cold air supplied from below, the storage It becomes possible to further improve the cooling efficiency of the server mounted in the rack R. Further, when the cable is laid using the space inside the gantry 40, the cable can be drawn into the inside from the lower part of the rack R.

As described above in detail, in the rack fixing device 102 of the second embodiment, various widths are provided on the fixed rail 12 fixed on the floor slab F by the anchor bolt 11 via the L-shaped rack fixing bracket 30. The server storage rack R having dimensions or the mount 40 serving as a mounting table thereof can be fixed.
At this time, each storage rack R is provided so as to be movable in the length direction (direction of arrow x) of the fixed rail 12 fixed by the anchor bolt 11 via the rack fixing bracket 30. There is no need to connect the anchor bolt 11 every time.
Thereby, in 2nd Embodiment, similarly to 1st Embodiment, the storage rack R which has various width dimensions is arrange | positioned in the stable state on the floor slab F via the fixed rail 12 supported by the anchor bolt 11. FIG. In addition, it is possible to improve workability when replacing the storage rack R.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

  The present invention relates to a rack fixing device used for seismic fixing in a computer center and a server rack fixed by the rack fixing device.

DESCRIPTION OF SYMBOLS 1 Anchor bolt 2 Fixed rail 3 Rack fixing device 4 Flat plate part 5 Connection part 10 Reinforcement 11 Anchor bolt 11 'Anchor bolt 11A Sleeve 12 Fixed rail 13 Rack fixing apparatus 14 Flat plate part 15 Connection part 20 Horizontal extension part 33 Vertical extension part 100 Rack Fixing device 101 Rack fixing device 102 Rack fixing device 200 Server rack R Storage rack F Floor slab S Server

Claims (13)

A fixed rail fixed to the floor slab with anchor bolts,
A rack fixing bracket attached movably in the length direction of the fixed rail, and
The rack fixing bracket has a flat plate portion extending in a direction intersecting with the fixing rail,
The flat plate portion is provided with a connecting portion connected to a storage rack in which a server is stored.   The rack fixing device according to claim 1, wherein a plurality of storage racks are arranged adjacent to the fixed rail along the length direction.   The anchor bolt is embedded in the floor slab at the same height as the floor slab by placing concrete after being connected in a reinforcing bar during construction of the floor slab. The rack fixing device according to any one of 2 above.   3. The rack fixing device according to claim 1, wherein the anchor bolt is installed on the floor slab by being driven into a hole formed in a direction perpendicular to the floor slab. 4.   The rack according to any one of claims 1 to 4, wherein the flat plate portion has a horizontal extension portion that extends in a direction parallel to the floor slab and has a top surface that contacts a bottom surface of the storage rack. Fixing device.   The rack fixing device according to claim 5, wherein a spacer for adjusting a height between the flat slab and the floor slab is interposed on a lower surface of the horizontal extension portion of the flat plate portion. A pair of the fixed rails are arranged at an interval before and after the storage rack,
The rack fixing device according to any one of claims 1 to 6, wherein the rack bracket is disposed so as to connect the pair of fixed rails, and the storage rack is supported at both ends.   The flat plate part has a vertical extension part that extends in a direction orthogonal to the floor slab and that has a surface on which the side surface of the storage rack or the gantry is in contact. The rack fixing device according to the item.   The said connection part consists of a through-hole which penetrates the said flat plate part, and a fastening means to connect the said flat plate part to a storage rack with the fastening bolt and nut which passed through this through-hole. The rack fixing device according to any one of 8.   The connecting portion includes a notch formed in an edge portion of the flat plate portion, and fastening means for connecting the flat plate portion to a storage rack by a fastening bolt and a nut passing through the notch. The rack fixing device according to any one of claims 1 to 8.   11. The rack according to claim 10, wherein a Y-shaped bracket having a notch formed in the flat plate portion is used as the rack fixing bracket, and a leveler of a storage rack with casters is held by the Y-shaped bracket. Fixing device.   The rack fixing device according to any one of claims 1 to 11, wherein a plurality of storage racks for storing servers are arranged adjacent to each other on a fixed rail fixed to a floor slab by anchor bolts. Server rack. A plurality of the fixed rails are installed on the floor slab so as to be parallel to each other,
The server rack according to claim 12, wherein the adjacently arranged storage racks are arranged in a plurality of rows on each pair of fixed rails.

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